Why You Can Trust CNET Beauty Sleep Is Real. Here's How Sleep Affects Your Appearance
Lack of sleep affects your appearance beyond dark circles under your eyes. Here's what to know.
- Sleep Science Coach Certification from The Spencer Institute.
- American Board of Family Medicine, Family Medicine
- State of Illinois, Medical Examining Board License
- University of Northern Iowa, BA
- Des Moines University College of Osteopathic Medicine, DO
You may have heard that quality sleep is essential for our overall well-being, but did you know that it also heavily affects our appearance? When you think about all the things that can have an impact on your skin, sleep isn't usually the first thing to come to mind. However, it's not always easy for us to get those recommended seven to nine hours of beauty sleep. According to the Centers for Disease Control and Prevention, an estimated 70 million Americans have chronic sleep disorders. Inadequate sleep not only affects your mental and physical health, but even your physical features like hair, eyes and skin.
So, what does poor sleep do to your appearance and health? Here's what we know.
The science behind beauty sleep
When you sleep, your body enters recovery mode and each stage of sleep is crucial to skin recovery. During varying stages of sleep, the body produces multiple hormones including human growth hormone, melatonin and cortisol. These hormones play critical roles in recovery including repairing skin from daily damage, keeping our skin looking youthful and protecting your skin from free radicals that can cause damage to cells.
When sleeping, every hour counts. If you're having trouble getting the recommended hours of sleep, check out our guide on how to get better sleep.
Read more: Fall Asleep Faster by Doing This Thing Right Before Bed
Why poor sleep harms appearance
A 2017 study found that lack of sleep has the potential to negatively affect your facial appearance and may decrease others' willingness to socialize with the sleep-deprived person. Here's how not getting enough shut-eye affects your appearance.
Skin: Let's start with the basics. Lack of sleep affects your appearance by making you look tired. You know, bags under the eyes and all that jazz. Not only does poor sleep affect your skin, but also its normal functions -- like collagen production. Excess cortisol due to the stress of sleep deprivation is a common cause of acne.
Hair: Lack of sleep also impacts your hair growth since collagen production is affected when we don't get enough sleep, making your hair more prone to thinning or hair loss. Sleep deprivation can also cause stress on the body and increase cortisol, which can lead to hair loss.
Eyes: Just one night of poor sleep is enough to cause dark circles under your eyes. Lack of sleep can cause the blood vessels around your eyes to dilate and create dark circles or puffiness. Depending on your natural skin tone, these dark circles may be visible as shades of blue, purple, black or brown.
Read more: How to Fall Asleep in 10 Minutes or Less
Lack of sleep affects your body and mind
Sleep deprivation goes beyond affecting the way you look. Lack of sleep can also affect the way your body and mind work.
Impact of poor sleep on your body
Prolonged deprivation can make you feel sluggish and fatigued, which means less energy to get you through the day. Other studies have linked lack of sleep to an increased risk of heart disease, stroke, diabetes and high cholesterol due to the higher levels of cortisol.
Impact of poor sleep on your mind
Studies show that sleep deprivation can affect memory function and emotional stability, as well as impair decision-making skills. Poor sleep can hurt your performance at work, lead to mood swings and enhance emotions like anger and sadness.
Data from a 2021 study found that people ages 50 through 60 who got 6 hours or less of sleep were at greater risk of developing dementia. Those who got less sleep than the recommended seven hours, were 30% more likely to be diagnosed with dementia later in life than those who got the recommended hours of sleep.
The link between lack of sleep and weight gain
In addition to how you look, how you sleep can also impact your weight. Sleep deprivation has been linked to weight gain and a higher risk of obesity in men and women. Similarly, people with severe sleep apnea experience increased weight gain.
One study that followed 68,000 middle-aged American women for 16 years found that women who slept five hours or less a night where 15% more likely to become obese over the course of the study than those who slept seven hours.
Read more: How to Create the Ideal Environment for Better Sleep
How to get your beauty rest
Ready to catch up on some beauty rest? Follow these tips for sleeping for better skin:
- As much as we love our morning cup o' Joe, it's best to avoid caffeine in the afternoon and late in the evening.
- Avoid alcohol before bedtime. Alcohol contributes to poor sleep quality, leading to fatigue and daytime sleepiness.
- Avoid strenuous exercise right before going to bed.
- Set your technology aside an hour before going to sleep.
- Get into a good routine that promotes sound sleep.
How to build a good sleep routine?
Here are four steps to try:
1. Go to bed at approximately the same time each night.
2. Wake up at approximately the same time every morning.
3. Limit your naps to 30 minutes or less.
4. Maintain a regular sleep schedule on weekends.
